[ViewVC] Diff of: cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.183 by root, Wed Oct 3 19:19:06 2007 UTC vs.
Revision 1.218 by root, Mon Dec 3 00:41:45 2007 UTC

…		…
1	#include "libcoro/coro.c"	1	#include "libcoro/coro.c"
2		2
3	#define PERL_NO_GET_CONTEXT	3	#define PERL_NO_GET_CONTEXT
		4	#define PERL_EXT
4		5
5	#include "EXTERN.h"	6	#include "EXTERN.h"
6	#include "perl.h"	7	#include "perl.h"
7	#include "XSUB.h"	8	#include "XSUB.h"
8		9
9	#include "patchlevel.h"	10	#include "patchlevel.h"
10		11
11	#include <stdio.h>	12	#include <stdio.h>
12	#include <errno.h>	13	#include <errno.h>
13	#include <assert.h>	14	#include <assert.h>
		15	#include <inttypes.h> /* portable stdint.h */
14		16
15	#ifdef HAVE_MMAP	17	#ifdef HAVE_MMAP
16	# include <unistd.h>	18	# include <unistd.h>
17	# include <sys/mman.h>	19	# include <sys/mman.h>
18	# ifndef MAP_ANONYMOUS	20	# ifndef MAP_ANONYMOUS
75	/* 5.8.7 */	77	/* 5.8.7 */
76	#ifndef SvRV_set	78	#ifndef SvRV_set
77	# define SvRV_set(s,v) SvRV(s) = (v)	79	# define SvRV_set(s,v) SvRV(s) = (v)
78	#endif	80	#endif
79		81
		82	/* 5.8.8 */
		83	#ifndef GV_NOTQUAL
		84	# define GV_NOTQUAL 0
		85	#endif
		86	#ifndef newSV
		87	# define newSV(l) NEWSV(0,l)
		88	#endif
		89
80	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
81	# undef CORO_STACKGUARD	91	# undef CORO_STACKGUARD
82	#endif	92	#endif
83		93
84	#ifndef CORO_STACKGUARD	94	#ifndef CORO_STACKGUARD
…		…
98	#define IN_DESTRUCT (PL_main_cv == Nullcv)	108	#define IN_DESTRUCT (PL_main_cv == Nullcv)
99		109
100	#if __GNUC__ >= 3	110	#if __GNUC__ >= 3
101	# define attribute(x) __attribute__(x)	111	# define attribute(x) __attribute__(x)
102	# define BARRIER __asm__ __volatile__ ("" : : : "memory")	112	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
		113	# define expect(expr,value) __builtin_expect ((expr),(value))
103	#else	114	#else
104	# define attribute(x)	115	# define attribute(x)
105	# define BARRIER	116	# define BARRIER
		117	# define expect(expr,value) (expr)
106	#endif	118	#endif
		119
		120	#define expect_false(expr) expect ((expr) != 0, 0)
		121	#define expect_true(expr) expect ((expr) != 0, 1)
107		122
108	#define NOINLINE attribute ((noinline))	123	#define NOINLINE attribute ((noinline))
109		124
110	#include "CoroAPI.h"	125	#include "CoroAPI.h"
111		126
…		…
130	static size_t coro_stacksize = CORO_STACKSIZE;	145	static size_t coro_stacksize = CORO_STACKSIZE;
131	static struct CoroAPI coroapi;	146	static struct CoroAPI coroapi;
132	static AV main_mainstack; / used to differentiate between $main and others */	147	static AV main_mainstack; / used to differentiate between $main and others */
133	static JMPENV *main_top_env;	148	static JMPENV *main_top_env;
134	static HV coro_state_stash, coro_stash;	149	static HV coro_state_stash, coro_stash;
135	static SV coro_mortal; / will be freed after next transfer */	150	static volatile SV coro_mortal; / will be freed after next transfer */
136		151
137	static GV irsgv; / $/ */	152	static GV irsgv; / $/ */
		153	static GV stdoutgv; / STDOUT /
		154	static SV *rv_diehook;
		155	static SV *rv_warnhook;
		156	static HV hv_sig; / %SIG */
138		157
139	/* async_pool helper stuff */	158	/* async_pool helper stuff */
140	static SV *sv_pool_rss;	159	static SV *sv_pool_rss;
141	static SV *sv_pool_size;	160	static SV *sv_pool_size;
142	static AV *av_async_pool;	161	static AV *av_async_pool;
…		…
178	CF_READY = 0x0002, /* coroutine is ready */	197	CF_READY = 0x0002, /* coroutine is ready */
179	CF_NEW = 0x0004, /* has never been switched to */	198	CF_NEW = 0x0004, /* has never been switched to */
180	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	199	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
181	};	200	};
182		201
		202	/* the structure where most of the perl state is stored, overlaid on the cxstack */
		203	typedef struct {
		204	SV *defsv;
		205	AV *defav;
		206	SV *errsv;
		207	SV *irsgv;
		208	#define VAR(name,type) type name;
		209	# include "state.h"
		210	#undef VAR
		211	} perl_slots;
		212
		213	#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
		214
183	/* this is a structure representing a perl-level coroutine */	215	/* this is a structure representing a perl-level coroutine */
184	struct coro {	216	struct coro {
185	/* the c coroutine allocated to this perl coroutine, if any */	217	/* the c coroutine allocated to this perl coroutine, if any */
186	coro_cctx *cctx;	218	coro_cctx *cctx;
187		219
		220	/* process data */
		221	AV *mainstack;
		222	perl_slots slot; / basically the saved sp */
		223
188	/* data associated with this coroutine (initial args) */	224	AV args; / data associated with this coroutine (initial args) */
189	AV *args;	225	int refcnt; /* coroutines are refcounted, yes */
190	int refcnt;
191	int flags; /* CF_ flags */	226	int flags; /* CF_ flags */
192		227	HV hv; / the perl hash associated with this coro, if any */
193	/* optionally saved, might be zero */
194	AV defav; / @_ */
195	SV defsv; / $_ */
196	SV errsv; / $@ */
197	GV deffh; / default filehandle */
198	SV irssv; / $/ */
199	SV irssv_sv; / real $/ cache */
200
201	#define VAR(name,type) type name;
202	# include "state.h"
203	#undef VAR
204		228
205	/* statistics */	229	/* statistics */
206	int usecount; /* number of transfers to this coro */	230	int usecount; /* number of transfers to this coro */
207		231
208	/* coro process data */	232	/* coro process data */
209	int prio;	233	int prio;
210	//SV *throw;	234	SV throw; / exception to be thrown */
211		235
212	/* async_pool */	236	/* async_pool */
213	GV *asp_deffh;	237	SV *saved_deffh;
214		238
215	/* linked list */	239	/* linked list */
216	struct coro next, prev;	240	struct coro next, prev;
217	HV hv; / the perl hash associated with this coro, if any */
218	};	241	};
219		242
220	typedef struct coro *Coro__State;	243	typedef struct coro *Coro__State;
221	typedef struct coro *Coro__State_or_hashref;	244	typedef struct coro *Coro__State_or_hashref;
222		245
…		…
234	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	257	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
235	static int coro_nready;	258	static int coro_nready;
236	static struct coro *coro_first;	259	static struct coro *coro_first;
237		260
238	/ lowlevel stuff ********************************************************/	261	/ lowlevel stuff ********************************************************/
		262
		263	static SV *
		264	coro_get_sv (pTHX_ const char *name, int create)
		265	{
		266	#if PERL_VERSION_ATLEAST (5,9,0)
		267	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		268	get_sv (name, create);
		269	#endif
		270	return get_sv (name, create);
		271	}
		272
		273	static AV *
		274	coro_get_av (pTHX_ const char *name, int create)
		275	{
		276	#if PERL_VERSION_ATLEAST (5,9,0)
		277	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		278	get_av (name, create);
		279	#endif
		280	return get_av (name, create);
		281	}
		282
		283	static HV *
		284	coro_get_hv (pTHX_ const char *name, int create)
		285	{
		286	#if PERL_VERSION_ATLEAST (5,9,0)
		287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
		288	get_hv (name, create);
		289	#endif
		290	return get_hv (name, create);
		291	}
239		292
240	static AV *	293	static AV *
241	coro_clone_padlist (pTHX_ CV *cv)	294	coro_clone_padlist (pTHX_ CV *cv)
242	{	295	{
243	AV *padlist = CvPADLIST (cv);	296	AV *padlist = CvPADLIST (cv);
…		…
291		344
292	/* casting is fun. */	345	/* casting is fun. */
293	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	346	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
294	free_padlist (aTHX_ padlist);	347	free_padlist (aTHX_ padlist);
295		348
296	SvREFCNT_dec (av);
297
298	return 0;	349	return 0;
299	}	350	}
300		351
301	#define PERL_MAGIC_coro PERL_MAGIC_ext	352	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		353	#define CORO_MAGIC_type_state PERL_MAGIC_ext
302		354
303	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	355	static MGVTBL coro_cv_vtbl = {
		356	0, 0, 0, 0,
		357	coro_cv_free
		358	};
304		359
305	#define CORO_MAGIC(cv) \	360	#define CORO_MAGIC(sv,type) \
306	SvMAGIC (cv) \	361	SvMAGIC (sv) \
307	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	362	? SvMAGIC (sv)->mg_type == type \
308	? SvMAGIC (cv) \	363	? SvMAGIC (sv) \
309	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	364	: mg_find (sv, type) \
310	: 0	365	: 0
		366
		367	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		368	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
311		369
312	static struct coro *	370	static struct coro *
313	SvSTATE_ (pTHX_ SV *coro)	371	SvSTATE_ (pTHX_ SV *coro)
314	{	372	{
315	HV *stash;	373	HV *stash;
316	MAGIC *mg;	374	MAGIC *mg;
317		375
318	if (SvROK (coro))	376	if (SvROK (coro))
319	coro = SvRV (coro);	377	coro = SvRV (coro);
320		378
321	if (SvTYPE (coro) != SVt_PVHV)	379	if (expect_false (SvTYPE (coro) != SVt_PVHV))
322	croak ("Coro::State object required");	380	croak ("Coro::State object required");
323		381
324	stash = SvSTASH (coro);	382	stash = SvSTASH (coro);
325	if (stash != coro_stash && stash != coro_state_stash)	383	if (expect_false (stash != coro_stash && stash != coro_state_stash))
326	{	384	{
327	/* very slow, but rare, check */	385	/* very slow, but rare, check */
328	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	386	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
329	croak ("Coro::State object required");	387	croak ("Coro::State object required");
330	}	388	}
331		389
332	mg = CORO_MAGIC (coro);	390	mg = CORO_MAGIC_state (coro);
333	return (struct coro *)mg->mg_ptr;	391	return (struct coro *)mg->mg_ptr;
334	}	392	}
335		393
336	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	394	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
337		395
338	/* the next two functions merely cache the padlists */	396	/* the next two functions merely cache the padlists */
339	static void	397	static void
340	get_padlist (pTHX_ CV *cv)	398	get_padlist (pTHX_ CV *cv)
341	{	399	{
342	MAGIC *mg = CORO_MAGIC (cv);	400	MAGIC *mg = CORO_MAGIC_cv (cv);
343	AV *av;	401	AV *av;
344		402
345	if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)	403	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
346	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	404	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
347	else	405	else
348	{	406	{
349	#if CORO_PREFER_PERL_FUNCTIONS	407	#if CORO_PREFER_PERL_FUNCTIONS
350	/* this is probably cleaner, but also slower? */	408	/* this is probably cleaner, but also slower? */
…		…
359	}	417	}
360		418
361	static void	419	static void
362	put_padlist (pTHX_ CV *cv)	420	put_padlist (pTHX_ CV *cv)
363	{	421	{
364	MAGIC *mg = CORO_MAGIC (cv);	422	MAGIC *mg = CORO_MAGIC_cv (cv);
365	AV *av;	423	AV *av;
366		424
367	if (!mg)	425	if (expect_false (!mg))
368	{	426	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
369	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
370	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
371	mg->mg_virtual = &vtbl_coro;
372	mg->mg_obj = (SV *)newAV ();
373	}
374		427
375	av = (AV *)mg->mg_obj;	428	av = (AV *)mg->mg_obj;
376		429
377	if (AvFILLp (av) >= AvMAX (av))	430	if (expect_false (AvFILLp (av) >= AvMAX (av)))
378	av_extend (av, AvMAX (av) + 1);	431	av_extend (av, AvMAX (av) + 1);
379		432
380	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	433	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
381	}	434	}
382		435
383	/ load & save, init *****************************************************/	436	/ load & save, init *****************************************************/
384		437
385	static void	438	static void
386	load_perl (pTHX_ Coro__State c)	439	load_perl (pTHX_ Coro__State c)
387	{	440	{
		441	perl_slots *slot = c->slot;
		442	c->slot = 0;
		443
		444	PL_mainstack = c->mainstack;
		445
		446	GvSV (PL_defgv) = slot->defsv;
		447	GvAV (PL_defgv) = slot->defav;
		448	GvSV (PL_errgv) = slot->errsv;
		449	GvSV (irsgv) = slot->irsgv;
		450
388	#define VAR(name,type) PL_ ## name = c->name;	451	#define VAR(name,type) PL_ ## name = slot->name;
389	# include "state.h"	452	# include "state.h"
390	#undef VAR	453	#undef VAR
391
392	GvSV (PL_defgv) = c->defsv;
393	GvAV (PL_defgv) = c->defav;
394	GvSV (PL_errgv) = c->errsv;
395	PL_defoutgv = c->deffh;
396	PL_rs = c->irssv;
397	GvSV (irsgv) = c->irssv_sv;
398		454
399	{	455	{
400	dSP;	456	dSP;
		457
401	CV *cv;	458	CV *cv;
402		459
403	/* now do the ugly restore mess */	460	/* now do the ugly restore mess */
404	while ((cv = (CV *)POPs))	461	while (expect_true (cv = (CV *)POPs))
405	{	462	{
406	put_padlist (aTHX_ cv); /* mark this padlist as available */	463	put_padlist (aTHX_ cv); /* mark this padlist as available */
407	CvDEPTH (cv) = PTR2IV (POPs);	464	CvDEPTH (cv) = PTR2IV (POPs);
408	CvPADLIST (cv) = (AV *)POPs;	465	CvPADLIST (cv) = (AV *)POPs;
409	}	466	}
…		…
428		485
429	XPUSHs (Nullsv);	486	XPUSHs (Nullsv);
430	/* this loop was inspired by pp_caller */	487	/* this loop was inspired by pp_caller */
431	for (;;)	488	for (;;)
432	{	489	{
433	while (cxix >= 0)	490	while (expect_true (cxix >= 0))
434	{	491	{
435	PERL_CONTEXT *cx = &ccstk[cxix--];	492	PERL_CONTEXT *cx = &ccstk[cxix--];
436		493
437	if (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT)	494	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))
438	{	495	{
439	CV *cv = cx->blk_sub.cv;	496	CV *cv = cx->blk_sub.cv;
440		497
441	if (CvDEPTH (cv))	498	if (expect_true (CvDEPTH (cv)))
442	{	499	{
443	EXTEND (SP, 3);	500	EXTEND (SP, 3);
444	PUSHs ((SV *)CvPADLIST (cv));	501	PUSHs ((SV *)CvPADLIST (cv));
445	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	502	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));
446	PUSHs ((SV *)cv);	503	PUSHs ((SV *)cv);
…		…
449	get_padlist (aTHX_ cv);	506	get_padlist (aTHX_ cv);
450	}	507	}
451	}	508	}
452	}	509	}
453		510
454	if (top_si->si_type == PERLSI_MAIN)	511	if (expect_true (top_si->si_type == PERLSI_MAIN))
455	break;	512	break;
456		513
457	top_si = top_si->si_prev;	514	top_si = top_si->si_prev;
458	ccstk = top_si->si_cxstack;	515	ccstk = top_si->si_cxstack;
459	cxix = top_si->si_cxix;	516	cxix = top_si->si_cxix;
460	}	517	}
461		518
462	PUTBACK;	519	PUTBACK;
463	}	520	}
464		521
		522	/* allocate some space on the context stack for our purposes */
		523	/* we manually unroll here, as usually 2 slots is enough */
		524	if (SLOT_COUNT >= 1) CXINC;
		525	if (SLOT_COUNT >= 2) CXINC;
		526	if (SLOT_COUNT >= 3) CXINC;
		527	{
		528	int i;
		529	for (i = 3; i < SLOT_COUNT; ++i)
		530	CXINC;
		531	}
		532	cxstack_ix -= SLOT_COUNT; /* undo allocation */
		533
		534	c->mainstack = PL_mainstack;
		535
		536	{
		537	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
		538
465	c->defav = GvAV (PL_defgv);	539	slot->defav = GvAV (PL_defgv);
466	c->defsv = DEFSV;	540	slot->defsv = DEFSV;
467	c->errsv = ERRSV;	541	slot->errsv = ERRSV;
468	c->deffh = PL_defoutgv;
469	c->irssv = PL_rs;
470	c->irssv_sv = GvSV (irsgv);	542	slot->irsgv = GvSV (irsgv);
471		543
472	#define VAR(name,type)c->name = PL_ ## name;	544	#define VAR(name,type) slot->name = PL_ ## name;
473	# include "state.h"	545	# include "state.h"
474	#undef VAR	546	#undef VAR
		547	}
475	}	548	}
476		549
477	/*	550	/*
478	* allocate various perl stacks. This is an exact copy	551	* allocate various perl stacks. This is an exact copy
479	* of perl.c:init_stacks, except that it uses less memory	552	* of perl.c:init_stacks, except that it uses less memory
…		…
484	# define coro_init_stacks init_stacks	557	# define coro_init_stacks init_stacks
485	#else	558	#else
486	static void	559	static void
487	coro_init_stacks (pTHX)	560	coro_init_stacks (pTHX)
488	{	561	{
489	PL_curstackinfo = new_stackinfo(64, 6);	562	PL_curstackinfo = new_stackinfo(32, 8);
490	PL_curstackinfo->si_type = PERLSI_MAIN;	563	PL_curstackinfo->si_type = PERLSI_MAIN;
491	PL_curstack = PL_curstackinfo->si_stack;	564	PL_curstack = PL_curstackinfo->si_stack;
492	PL_mainstack = PL_curstack; /* remember in case we switch stacks */	565	PL_mainstack = PL_curstack; /* remember in case we switch stacks */
493		566
494	PL_stack_base = AvARRAY(PL_curstack);	567	PL_stack_base = AvARRAY(PL_curstack);
495	PL_stack_sp = PL_stack_base;	568	PL_stack_sp = PL_stack_base;
496	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);	569	PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
497		570
498	New(50,PL_tmps_stack,64,SV*);	571	New(50,PL_tmps_stack,32,SV*);
499	PL_tmps_floor = -1;	572	PL_tmps_floor = -1;
500	PL_tmps_ix = -1;	573	PL_tmps_ix = -1;
501	PL_tmps_max = 64;	574	PL_tmps_max = 32;
502		575
503	New(54,PL_markstack,16,I32);	576	New(54,PL_markstack,16,I32);
504	PL_markstack_ptr = PL_markstack;	577	PL_markstack_ptr = PL_markstack;
505	PL_markstack_max = PL_markstack + 16;	578	PL_markstack_max = PL_markstack + 16;
506		579
507	#ifdef SET_MARK_OFFSET	580	#ifdef SET_MARK_OFFSET
508	SET_MARK_OFFSET;	581	SET_MARK_OFFSET;
509	#endif	582	#endif
510		583
511	New(54,PL_scopestack,16,I32);	584	New(54,PL_scopestack,8,I32);
512	PL_scopestack_ix = 0;	585	PL_scopestack_ix = 0;
513	PL_scopestack_max = 16;	586	PL_scopestack_max = 8;
514		587
515	New(54,PL_savestack,64,ANY);	588	New(54,PL_savestack,24,ANY);
516	PL_savestack_ix = 0;	589	PL_savestack_ix = 0;
517	PL_savestack_max = 64;	590	PL_savestack_max = 24;
518		591
519	#if !PERL_VERSION_ATLEAST (5,9,0)	592	#if !PERL_VERSION_ATLEAST (5,9,0)
520	New(54,PL_retstack,4,OP*);	593	New(54,PL_retstack,4,OP*);
521	PL_retstack_ix = 0;	594	PL_retstack_ix = 0;
522	PL_retstack_max = 4;	595	PL_retstack_max = 4;
…		…
559	{	632	{
560	size_t rss = sizeof (*coro);	633	size_t rss = sizeof (*coro);
561		634
562	if (coro->mainstack)	635	if (coro->mainstack)
563	{	636	{
		637	perl_slots tmp_slot;
		638	perl_slots *slot;
		639
564	if (coro->flags & CF_RUNNING)	640	if (coro->flags & CF_RUNNING)
565	{	641	{
		642	slot = &tmp_slot;
		643
566	#define VAR(name,type)coro->name = PL_ ## name;	644	#define VAR(name,type) slot->name = PL_ ## name;
567	# include "state.h"	645	# include "state.h"
568	#undef VAR	646	#undef VAR
569	}	647	}
		648	else
		649	slot = coro->slot;
570		650
571	rss += sizeof (coro->curstackinfo);	651	rss += sizeof (slot->curstackinfo);
572	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
573	rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	652	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
574	rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);	653	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
575	rss += coro->tmps_max * sizeof (SV *);	654	rss += slot->tmps_max * sizeof (SV *);
576	rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);	655	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
577	rss += coro->scopestack_max * sizeof (I32);	656	rss += slot->scopestack_max * sizeof (I32);
578	rss += coro->savestack_max * sizeof (ANY);	657	rss += slot->savestack_max * sizeof (ANY);
579		658
580	#if !PERL_VERSION_ATLEAST (5,9,0)	659	#if !PERL_VERSION_ATLEAST (5,9,0)
581	rss += coro->retstack_max * sizeof (OP *);	660	rss += slot->retstack_max * sizeof (OP *);
582	#endif	661	#endif
583	}	662	}
584		663
585	return rss;	664	return rss;
586	}	665	}
587		666
588	/ coroutine stack handling **********************************************/	667	/ coroutine stack handling **********************************************/
		668
		669	#if 0
		670	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		671
		672	/*
		673	* This overrides the default magic get method of %SIG elements.
		674	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		675	* and instead of tryign to save and restore the hash elements, we just provide
		676	* readback here.
		677	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		678	* not expecting this to actually change the hook. This is a potential problem
		679	* when a schedule happens then, but we ignore this.
		680	*/
		681	static int
		682	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		683	{
		684	return orig_sigelem_get (aTHX_ sv, mg);
		685	const char *s = MgPV_nolen_const (mg);
		686
		687	if (*s == '_')
		688	{
		689	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;
		690	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;
		691	}
		692
		693	return orig_sigelem_get (aTHX_ sv, mg);
		694	}
		695	#endif
589		696
590	static void	697	static void
591	coro_setup (pTHX_ struct coro *coro)	698	coro_setup (pTHX_ struct coro *coro)
592	{	699	{
593	/*	700	/*
…		…
598	PL_runops = RUNOPS_DEFAULT;	705	PL_runops = RUNOPS_DEFAULT;
599	PL_curcop = &PL_compiling;	706	PL_curcop = &PL_compiling;
600	PL_in_eval = EVAL_NULL;	707	PL_in_eval = EVAL_NULL;
601	PL_comppad = 0;	708	PL_comppad = 0;
602	PL_curpm = 0;	709	PL_curpm = 0;
		710	PL_curpad = 0;
603	PL_localizing = 0;	711	PL_localizing = 0;
604	PL_dirty = 0;	712	PL_dirty = 0;
605	PL_restartop = 0;	713	PL_restartop = 0;
		714
		715	/* recreate the die/warn hooks */
		716	PL_diehook = 0;
		717	hv_store (hv_sig, "__DIE__", sizeof ("__DIE__") - 1, newSV (0), 0);
		718	PL_diehook = SvREFCNT_inc (rv_diehook);
		719
		720	PL_warnhook = 0;
		721	hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, newSV (0), 0);
		722	PL_warnhook = SvREFCNT_inc (rv_warnhook);
606		723
607	GvSV (PL_defgv) = NEWSV (0, 0);	724	GvSV (PL_defgv) = newSV (0);
608	GvAV (PL_defgv) = coro->args; coro->args = 0;	725	GvAV (PL_defgv) = coro->args; coro->args = 0;
609	GvSV (PL_errgv) = NEWSV (0, 0);	726	GvSV (PL_errgv) = newSV (0);
610	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	727	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
611	PL_rs = newSVsv (GvSV (irsgv));	728	PL_rs = newSVsv (GvSV (irsgv));
612		729	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
613	{
614	IO *io = newIO ();
615	PL_defoutgv = newGVgen ("Coro");
616	GvIOp(PL_defoutgv) = io;
617	IoTYPE (io) = IoTYPE_WRONLY;
618	IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
619	IoFLAGS (io) \|= IOf_FLUSH;
620	}
621		730
622	{	731	{
623	dSP;	732	dSP;
624	LOGOP myop;	733	LOGOP myop;
625		734
626	Zero (&myop, 1, LOGOP);	735	Zero (&myop, 1, LOGOP);
627	myop.op_next = Nullop;	736	myop.op_next = Nullop;
628	myop.op_flags = OPf_WANT_VOID;	737	myop.op_flags = OPf_WANT_VOID;
629		738
630	PUSHMARK (SP);	739	PUSHMARK (SP);
631	XPUSHs (av_shift (GvAV (PL_defgv)));	740	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
632	PUTBACK;	741	PUTBACK;
633	PL_op = (OP *)&myop;	742	PL_op = (OP *)&myop;
634	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	743	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
635	SPAGAIN;	744	SPAGAIN;
636	}	745	}
637		746
638	ENTER; /* necessary e.g. for dounwind */	747	/* this newly created coroutine might be run on an existing cctx which most
		748	* likely was suspended in set_stacklevel, called from entersub.
		749	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		750	* so we ENTER here for symmetry
		751	*/
		752	ENTER;
639	}	753	}
640		754
641	static void	755	static void
642	coro_destroy (pTHX_ struct coro *coro)	756	coro_destroy (pTHX_ struct coro *coro)
643	{	757	{
…		…
663	SvREFCNT_dec (GvSV (PL_errgv));	777	SvREFCNT_dec (GvSV (PL_errgv));
664	SvREFCNT_dec (PL_defoutgv);	778	SvREFCNT_dec (PL_defoutgv);
665	SvREFCNT_dec (PL_rs);	779	SvREFCNT_dec (PL_rs);
666	SvREFCNT_dec (GvSV (irsgv));	780	SvREFCNT_dec (GvSV (irsgv));
667		781
		782	SvREFCNT_dec (PL_diehook);
		783	SvREFCNT_dec (PL_warnhook);
		784
668	SvREFCNT_dec (coro->asp_deffh);	785	SvREFCNT_dec (coro->saved_deffh);
669	//SvREFCNT_dec (coro->throw);	786	SvREFCNT_dec (coro->throw);
670		787
671	coro_destroy_stacks (aTHX);	788	coro_destroy_stacks (aTHX);
672	}	789	}
673		790
674	static void	791	static void
675	free_coro_mortal (pTHX)	792	free_coro_mortal (pTHX)
676	{	793	{
677	if (coro_mortal)	794	if (expect_true (coro_mortal))
678	{	795	{
679	SvREFCNT_dec (coro_mortal);	796	SvREFCNT_dec (coro_mortal);
680	coro_mortal = 0;	797	coro_mortal = 0;
681	}	798	}
682	}	799	}
…		…
711	bot = PL_stack_base + cx->blk_oldsp + 1;	828	bot = PL_stack_base + cx->blk_oldsp + 1;
712	top = cx->blk_gimme == G_ARRAY ? SP + 1	829	top = cx->blk_gimme == G_ARRAY ? SP + 1
713	: cx->blk_gimme == G_SCALAR ? bot + 1	830	: cx->blk_gimme == G_SCALAR ? bot + 1
714	: bot;	831	: bot;
715		832
		833	av_extend (av, top - bot);
716	while (bot < top)	834	while (bot < top)
717	av_push (av, SvREFCNT_inc (*bot++));	835	av_push (av, SvREFCNT_inc (*bot++));
718		836
719	PL_runops = RUNOPS_DEFAULT;	837	PL_runops = RUNOPS_DEFAULT;
720	ENTER;	838	ENTER;
…		…
806		924
807	/* inject a fake call to Coro::State::_cctx_init into the execution */	925	/* inject a fake call to Coro::State::_cctx_init into the execution */
808	/* _cctx_init should be careful, as it could be called at almost any time */	926	/* _cctx_init should be careful, as it could be called at almost any time */
809	/* during execution of a perl program */	927	/* during execution of a perl program */
810	static void NOINLINE	928	static void NOINLINE
811	prepare_cctx (pTHX_ coro_cctx *cctx)	929	cctx_prepare (pTHX_ coro_cctx *cctx)
812	{	930	{
813	dSP;	931	dSP;
814	LOGOP myop;	932	LOGOP myop;
815		933
816	PL_top_env = &PL_start_env;	934	PL_top_env = &PL_start_env;
…		…
834		952
835	/*	953	/*
836	* this is a _very_ stripped down perl interpreter ;)	954	* this is a _very_ stripped down perl interpreter ;)
837	*/	955	*/
838	static void	956	static void
839	coro_run (void *arg)	957	cctx_run (void *arg)
840	{	958	{
841	dTHX;	959	dTHX;
842		960
843	/* coro_run is the alternative tail of transfer(), so unlock here. */	961	/* cctx_run is the alternative tail of transfer(), so unlock here. */
844	UNLOCK;	962	UNLOCK;
845		963
846	/* we now skip the entersub that lead to transfer() */	964	/* we now skip the entersub that lead to transfer() */
847	PL_op = PL_op->op_next;	965	PL_op = PL_op->op_next;
848		966
849	/* inject a fake subroutine call to cctx_init */	967	/* inject a fake subroutine call to cctx_init */
850	prepare_cctx (aTHX_ (coro_cctx *)arg);	968	cctx_prepare (aTHX_ (coro_cctx *)arg);
851		969
852	/* somebody or something will hit me for both perl_run and PL_restartop */	970	/* somebody or something will hit me for both perl_run and PL_restartop */
853	PL_restartop = PL_op;	971	PL_restartop = PL_op;
854	perl_run (PL_curinterp);	972	perl_run (PL_curinterp);
855		973
…		…
874	++cctx_count;	992	++cctx_count;
875		993
876	Newz (0, cctx, 1, coro_cctx);	994	Newz (0, cctx, 1, coro_cctx);
877		995
878	#if HAVE_MMAP	996	#if HAVE_MMAP
879
880	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	997	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
881	/* mmap supposedly does allocate-on-write for us */	998	/* mmap supposedly does allocate-on-write for us */
882	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	999	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
883		1000
884	if (cctx->sptr != (void *)-1)	1001	if (cctx->sptr != (void *)-1)
…		…
905	stack_start = cctx->sptr;	1022	stack_start = cctx->sptr;
906	stack_size = cctx->ssize;	1023	stack_size = cctx->ssize;
907	}	1024	}
908		1025
909	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1026	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
910	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1027	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
911		1028
912	return cctx;	1029	return cctx;
913	}	1030	}
914		1031
915	static void	1032	static void
…		…
932	Safefree (cctx->sptr);	1049	Safefree (cctx->sptr);
933		1050
934	Safefree (cctx);	1051	Safefree (cctx);
935	}	1052	}
936		1053
		1054	/* wether this cctx should be destructed */
		1055	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
		1056
937	static coro_cctx *	1057	static coro_cctx *
938	cctx_get (pTHX)	1058	cctx_get (pTHX)
939	{	1059	{
940	while (cctx_first)	1060	while (expect_true (cctx_first))
941	{	1061	{
942	coro_cctx *cctx = cctx_first;	1062	coro_cctx *cctx = cctx_first;
943	cctx_first = cctx->next;	1063	cctx_first = cctx->next;
944	--cctx_idle;	1064	--cctx_idle;
945		1065
946	if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))	1066	if (expect_true (!CCTX_EXPIRED (cctx)))
947	return cctx;	1067	return cctx;
948		1068
949	cctx_destroy (cctx);	1069	cctx_destroy (cctx);
950	}	1070	}
951		1071
…		…
954		1074
955	static void	1075	static void
956	cctx_put (coro_cctx *cctx)	1076	cctx_put (coro_cctx *cctx)
957	{	1077	{
958	/* free another cctx if overlimit */	1078	/* free another cctx if overlimit */
959	if (cctx_idle >= MAX_IDLE_CCTX)	1079	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
960	{	1080	{
961	coro_cctx *first = cctx_first;	1081	coro_cctx *first = cctx_first;
962	cctx_first = first->next;	1082	cctx_first = first->next;
963	--cctx_idle;	1083	--cctx_idle;
964		1084
…		…
970	cctx_first = cctx;	1090	cctx_first = cctx;
971	}	1091	}
972		1092
973	/ coroutine switching ***************************************************/	1093	/ coroutine switching ***************************************************/
974		1094
975	static void NOINLINE	1095	static void
976	transfer_check (pTHX_ struct coro prev, struct coro next)	1096	transfer_check (pTHX_ struct coro prev, struct coro next)
977	{	1097	{
978	if (prev != next)	1098	if (expect_true (prev != next))
979	{	1099	{
980	if (!(prev->flags & (CF_RUNNING \| CF_NEW)))	1100	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
981	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");	1101	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
982		1102
983	if (next->flags & CF_RUNNING)	1103	if (expect_false (next->flags & CF_RUNNING))
984	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1104	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
985		1105
986	if (next->flags & CF_DESTROYED)	1106	if (expect_false (next->flags & CF_DESTROYED))
987	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1107	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
988		1108
		1109	if (
		1110	#if PERL_VERSION_ATLEAST (5,9,0)
		1111	expect_false (PL_parser)
		1112	#else
989	if (PL_lex_state != LEX_NOTPARSING)	1113	expect_false (PL_lex_state != LEX_NOTPARSING)
		1114	#endif
		1115	)
990	croak ("Coro::State::transfer called while parsing, but this is not supported");	1116	croak ("Coro::State::transfer called while parsing, but this is not supported");
991	}	1117	}
992	}	1118	}
993		1119
994	/* always use the TRANSFER macro */	1120	/* always use the TRANSFER macro */
995	static void NOINLINE	1121	static void NOINLINE
996	transfer (pTHX_ struct coro prev, struct coro next)	1122	transfer (pTHX_ struct coro prev, struct coro next)
997	{	1123	{
998	dSTACKLEVEL;	1124	dSTACKLEVEL;
		1125	static volatile int has_throw;
999		1126
1000	/* sometimes transfer is only called to set idle_sp */	1127	/* sometimes transfer is only called to set idle_sp */
1001	if (!next)	1128	if (expect_false (!next))
1002	{	1129	{
1003	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1130	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1004	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1131	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1005	}	1132	}
1006	else if (prev != next)	1133	else if (expect_true (prev != next))
1007	{	1134	{
1008	coro_cctx *prev__cctx;	1135	coro_cctx *prev__cctx;
1009		1136
1010	if (prev->flags & CF_NEW)	1137	if (expect_false (prev->flags & CF_NEW))
1011	{	1138	{
1012	/* create a new empty context */	1139	/* create a new empty context */
1013	Newz (0, prev->cctx, 1, coro_cctx);	1140	Newz (0, prev->cctx, 1, coro_cctx);
1014	prev->flags &= ~CF_NEW;	1141	prev->flags &= ~CF_NEW;
1015	prev->flags \|= CF_RUNNING;	1142	prev->flags \|= CF_RUNNING;
…		…
1018	prev->flags &= ~CF_RUNNING;	1145	prev->flags &= ~CF_RUNNING;
1019	next->flags \|= CF_RUNNING;	1146	next->flags \|= CF_RUNNING;
1020		1147
1021	LOCK;	1148	LOCK;
1022		1149
		1150	/* first get rid of the old state */
		1151	save_perl (aTHX_ prev);
		1152
1023	if (next->flags & CF_NEW)	1153	if (expect_false (next->flags & CF_NEW))
1024	{	1154	{
1025	/* need to start coroutine */	1155	/* need to start coroutine */
1026	next->flags &= ~CF_NEW;	1156	next->flags &= ~CF_NEW;
1027	/* first get rid of the old state */
1028	save_perl (aTHX_ prev);
1029	/* setup coroutine call */	1157	/* setup coroutine call */
1030	coro_setup (aTHX_ next);	1158	coro_setup (aTHX_ next);
1031	}	1159	}
1032	else	1160	else
1033	{
1034	/* coroutine already started */
1035	save_perl (aTHX_ prev);
1036	load_perl (aTHX_ next);	1161	load_perl (aTHX_ next);
1037	}
1038		1162
1039	prev__cctx = prev->cctx;	1163	prev__cctx = prev->cctx;
1040		1164
1041	/* possibly "free" the cctx */	1165	/* possibly "free" the cctx */
1042	if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))	1166	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))
1043	{	1167	{
1044	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1168	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1045	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1169	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1046		1170
1047	prev->cctx = 0;	1171	prev->cctx = 0;
1048		1172
		1173	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
		1174	/* without this the next cctx_get might destroy the prev__cctx while still in use */
		1175	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1176	if (!next->cctx)
		1177	next->cctx = cctx_get (aTHX);
		1178
1049	cctx_put (prev__cctx);	1179	cctx_put (prev__cctx);
1050	}	1180	}
1051		1181
1052	++next->usecount;	1182	++next->usecount;
1053		1183
1054	if (!next->cctx)	1184	if (expect_true (!next->cctx))
1055	next->cctx = cctx_get (aTHX);	1185	next->cctx = cctx_get (aTHX);
1056		1186
		1187	has_throw = !!next->throw;
		1188
1057	if (prev__cctx != next->cctx)	1189	if (expect_false (prev__cctx != next->cctx))
1058	{	1190	{
1059	prev__cctx->top_env = PL_top_env;	1191	prev__cctx->top_env = PL_top_env;
1060	PL_top_env = next->cctx->top_env;	1192	PL_top_env = next->cctx->top_env;
1061	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1193	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1062	}	1194	}
1063		1195
1064	free_coro_mortal (aTHX);	1196	free_coro_mortal (aTHX);
1065	UNLOCK;	1197	UNLOCK;
		1198
		1199	if (expect_false (has_throw))
		1200	{
		1201	struct coro *coro = SvSTATE (coro_current);
		1202
		1203	if (coro->throw)
		1204	{
		1205	SV *exception = coro->throw;
		1206	coro->throw = 0;
		1207	sv_setsv (ERRSV, exception);
		1208	croak (0);
		1209	}
		1210	}
1066	}	1211	}
1067	}	1212	}
1068		1213
1069	struct transfer_args	1214	struct transfer_args
1070	{	1215	{
…		…
1105	save_perl (aTHX_ &temp);	1250	save_perl (aTHX_ &temp);
1106	load_perl (aTHX_ coro);	1251	load_perl (aTHX_ coro);
1107		1252
1108	coro_destroy (aTHX_ coro);	1253	coro_destroy (aTHX_ coro);
1109		1254
1110	load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */	1255	load_perl (aTHX_ &temp);
1111		1256
1112	coro->mainstack = 0;	1257	coro->slot = 0;
1113	}	1258	}
1114		1259
1115	cctx_destroy (coro->cctx);	1260	cctx_destroy (coro->cctx);
1116	SvREFCNT_dec (coro->args);	1261	SvREFCNT_dec (coro->args);
1117		1262
…		…
1185	{	1330	{
1186	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1331	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1187	}	1332	}
1188		1333
1189	static SV *	1334	static SV *
1190	coro_deq (pTHX_ int min_prio)	1335	coro_deq (pTHX)
1191	{	1336	{
1192	int prio = PRIO_MAX - PRIO_MIN;	1337	int prio;
1193		1338
1194	min_prio -= PRIO_MIN;
1195	if (min_prio < 0)
1196	min_prio = 0;
1197
1198	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1339	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1199	if (AvFILLp (coro_ready [prio]) >= 0)	1340	if (AvFILLp (coro_ready [prio]) >= 0)
1200	return av_shift (coro_ready [prio]);	1341	return av_shift (coro_ready [prio]);
1201		1342
1202	return 0;	1343	return 0;
1203	}	1344	}
…		…
1239	SV prev_sv, next_sv;	1380	SV prev_sv, next_sv;
1240		1381
1241	for (;;)	1382	for (;;)
1242	{	1383	{
1243	LOCK;	1384	LOCK;
1244	next_sv = coro_deq (aTHX_ PRIO_MIN);	1385	next_sv = coro_deq (aTHX);
1245		1386
1246	/* nothing to schedule: call the idle handler */	1387	/* nothing to schedule: call the idle handler */
1247	if (!next_sv)	1388	if (expect_false (!next_sv))
1248	{	1389	{
1249	dSP;	1390	dSP;
1250	UNLOCK;	1391	UNLOCK;
1251		1392
1252	ENTER;	1393	ENTER;
…		…
1262	}	1403	}
1263		1404
1264	ta->next = SvSTATE (next_sv);	1405	ta->next = SvSTATE (next_sv);
1265		1406
1266	/* cannot transfer to destroyed coros, skip and look for next */	1407	/* cannot transfer to destroyed coros, skip and look for next */
1267	if (ta->next->flags & CF_DESTROYED)	1408	if (expect_false (ta->next->flags & CF_DESTROYED))
1268	{	1409	{
1269	UNLOCK;	1410	UNLOCK;
1270	SvREFCNT_dec (next_sv);	1411	SvREFCNT_dec (next_sv);
1271	/* coro_nready is already taken care of by destroy */	1412	/* coro_nready is already taken care of by destroy */
1272	continue;	1413	continue;
…		…
1328	dTHX;	1469	dTHX;
1329	struct transfer_args ta;	1470	struct transfer_args ta;
1330		1471
1331	prepare_cede (aTHX_ &ta);	1472	prepare_cede (aTHX_ &ta);
1332		1473
1333	if (ta.prev != ta.next)	1474	if (expect_true (ta.prev != ta.next))
1334	{	1475	{
1335	TRANSFER (ta);	1476	TRANSFER (ta);
1336	return 1;	1477	return 1;
1337	}	1478	}
1338	else	1479	else
…		…
1374	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);	1515	coro->cctx->flags &= ~(CC_TRACE \| CC_TRACE_ALL);
1375		1516
1376	if (coro->flags & CF_RUNNING)	1517	if (coro->flags & CF_RUNNING)
1377	PL_runops = RUNOPS_DEFAULT;	1518	PL_runops = RUNOPS_DEFAULT;
1378	else	1519	else
1379	coro->runops = RUNOPS_DEFAULT;	1520	coro->slot->runops = RUNOPS_DEFAULT;
1380	}	1521	}
1381	}	1522	}
1382		1523
1383	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1524	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1384		1525
…		…
1389	#ifdef USE_ITHREADS	1530	#ifdef USE_ITHREADS
1390	MUTEX_INIT (&coro_mutex);	1531	MUTEX_INIT (&coro_mutex);
1391	#endif	1532	#endif
1392	BOOT_PAGESIZE;	1533	BOOT_PAGESIZE;
1393		1534
1394	irsgv = gv_fetchpv ("/", 1, SVt_PV);	1535	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
		1536	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
		1537	#if 0
		1538	orig_sigelem_get = PL_vtbl_sigelem.svt_get;
		1539	PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1540	#endif
		1541	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
		1542	rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
		1543	rv_warnhook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1395		1544
1396	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1545	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1397		1546
1398	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1547	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1399	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1548	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1405		1554
1406	while (main_top_env->je_prev)	1555	while (main_top_env->je_prev)
1407	main_top_env = main_top_env->je_prev;	1556	main_top_env = main_top_env->je_prev;
1408		1557
1409	coroapi.ver = CORO_API_VERSION;	1558	coroapi.ver = CORO_API_VERSION;
		1559	coroapi.rev = CORO_API_REVISION;
1410	coroapi.transfer = api_transfer;	1560	coroapi.transfer = api_transfer;
1411		1561
1412	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1562	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1413	}	1563	}
1414		1564
1415	SV *	1565	SV *
1416	new (char *klass, ...)	1566	new (char *klass, ...)
1417	CODE:	1567	CODE:
1418	{	1568	{
1419	struct coro *coro;	1569	struct coro *coro;
		1570	MAGIC *mg;
1420	HV *hv;	1571	HV *hv;
1421	int i;	1572	int i;
1422		1573
1423	Newz (0, coro, 1, struct coro);	1574	Newz (0, coro, 1, struct coro);
1424	coro->args = newAV ();	1575	coro->args = newAV ();
…		…
1427	if (coro_first) coro_first->prev = coro;	1578	if (coro_first) coro_first->prev = coro;
1428	coro->next = coro_first;	1579	coro->next = coro_first;
1429	coro_first = coro;	1580	coro_first = coro;
1430		1581
1431	coro->hv = hv = newHV ();	1582	coro->hv = hv = newHV ();
1432	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1583	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1584	mg->mg_flags \|= MGf_DUP;
1433	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1585	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1434		1586
		1587	av_extend (coro->args, items - 1);
1435	for (i = 1; i < items; i++)	1588	for (i = 1; i < items; i++)
1436	av_push (coro->args, newSVsv (ST (i)));	1589	av_push (coro->args, newSVsv (ST (i)));
1437	}	1590	}
1438	OUTPUT:	1591	OUTPUT:
1439	RETVAL	1592	RETVAL
…		…
1480		1633
1481	break;	1634	break;
1482	}	1635	}
1483		1636
1484	BARRIER;	1637	BARRIER;
		1638	PUTBACK;
1485	TRANSFER (ta);	1639	TRANSFER (ta);
1486		1640	SPAGAIN; /* might be the sp of a different coroutine now */
1487	if (GIMME_V != G_VOID && ta.next != ta.prev)	1641	/* be extra careful not to ever do anything after TRANSFER */
1488	XSRETURN_YES;
1489	}	1642	}
1490		1643
1491	bool	1644	bool
1492	_destroy (SV *coro_sv)	1645	_destroy (SV *coro_sv)
1493	CODE:	1646	CODE:
…		…
1542	CODE:	1695	CODE:
1543	{	1696	{
1544	if (coro->mainstack)	1697	if (coro->mainstack)
1545	{	1698	{
1546	struct coro temp;	1699	struct coro temp;
1547	Zero (&temp, 1, struct coro);
1548		1700
1549	if (!(coro->flags & CF_RUNNING))	1701	if (!(coro->flags & CF_RUNNING))
1550	{	1702	{
1551	save_perl (aTHX_ &temp);	1703	save_perl (aTHX_ &temp);
1552	load_perl (aTHX_ coro);	1704	load_perl (aTHX_ coro);
…		…
1554		1706
1555	{	1707	{
1556	dSP;	1708	dSP;
1557	ENTER;	1709	ENTER;
1558	SAVETMPS;	1710	SAVETMPS;
		1711	PUTBACK;
		1712	PUSHSTACK;
1559	PUSHMARK (SP);	1713	PUSHMARK (SP);
1560	PUTBACK;	1714
1561	if (ix)	1715	if (ix)
1562	eval_sv (coderef, 0);	1716	eval_sv (coderef, 0);
1563	else	1717	else
1564	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1718	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
		1719
		1720	POPSTACK;
1565	SPAGAIN;	1721	SPAGAIN;
1566	FREETMPS;	1722	FREETMPS;
1567	LEAVE;	1723	LEAVE;
1568	PUTBACK;	1724	PUTBACK;
1569	}	1725	}
…		…
1627		1783
1628	BOOT:	1784	BOOT:
1629	{	1785	{
1630	int i;	1786	int i;
1631		1787
1632	sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);	1788	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1633	sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);	1789	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1634	av_async_pool = get_av ("Coro::async_pool", TRUE);	1790	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1635		1791
1636	coro_current = get_sv ("Coro::current", FALSE);	1792	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1637	SvREADONLY_on (coro_current);	1793	SvREADONLY_on (coro_current);
1638		1794
1639	coro_stash = gv_stashpv ("Coro", TRUE);	1795	coro_stash = gv_stashpv ("Coro", TRUE);
1640		1796
1641	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	1797	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1642	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	1798	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1643	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	1799	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1644	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	1800	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
…		…
1647		1803
1648	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )	1804	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1649	coro_ready[i] = newAV ();	1805	coro_ready[i] = newAV ();
1650		1806
1651	{	1807	{
1652	SV *sv = perl_get_sv("Coro::API", 1);	1808	SV *sv = perl_get_sv ("Coro::API", TRUE);
		1809	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1653		1810
1654	coroapi.schedule = api_schedule;	1811	coroapi.schedule = api_schedule;
1655	coroapi.cede = api_cede;	1812	coroapi.cede = api_cede;
1656	coroapi.cede_notself = api_cede_notself;	1813	coroapi.cede_notself = api_cede_notself;
1657	coroapi.ready = api_ready;	1814	coroapi.ready = api_ready;
…		…
1708	CODE:	1865	CODE:
1709	RETVAL = coro_nready;	1866	RETVAL = coro_nready;
1710	OUTPUT:	1867	OUTPUT:
1711	RETVAL	1868	RETVAL
1712		1869
		1870	void
		1871	throw (Coro::State self, SV *throw = &PL_sv_undef)
		1872	PROTOTYPE: $;$
		1873	CODE:
		1874	SvREFCNT_dec (self->throw);
		1875	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		1876
1713	# for async_pool speedup	1877	# for async_pool speedup
1714	void	1878	void
1715	_pool_1 (SV *cb)	1879	_pool_1 (SV *cb)
1716	CODE:	1880	CODE:
1717	{	1881	{
…		…
1721	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	1885	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1722	AV *invoke_av;	1886	AV *invoke_av;
1723	int i, len;	1887	int i, len;
1724		1888
1725	if (!invoke)	1889	if (!invoke)
1726	croak ("\3terminate\2\n");	1890	croak ("\3async_pool terminate\2\n");
1727		1891
1728	SvREFCNT_dec (coro->asp_deffh);	1892	SvREFCNT_dec (coro->saved_deffh);
1729	coro->asp_deffh = SvREFCNT_inc (PL_defoutgv);	1893	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1730		1894
1731	hv_store (hv, "desc", sizeof ("desc") - 1,	1895	hv_store (hv, "desc", sizeof ("desc") - 1,
1732	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1896	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1733		1897
1734	invoke_av = (AV *)SvRV (invoke);	1898	invoke_av = (AV *)SvRV (invoke);
…		…
1752	{	1916	{
1753	struct coro *coro = SvSTATE (coro_current);	1917	struct coro *coro = SvSTATE (coro_current);
1754		1918
1755	sv_setsv (cb, &PL_sv_undef);	1919	sv_setsv (cb, &PL_sv_undef);
1756		1920
1757	SvREFCNT_dec (PL_defoutgv); PL_defoutgv = coro->asp_deffh;	1921	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1758	coro->asp_deffh = 0;	1922	coro->saved_deffh = 0;
1759		1923
1760	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	1924	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1761	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	1925	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1762	croak ("\3terminate\2\n");	1926	croak ("\3async_pool terminate\2\n");
1763		1927
1764	av_clear (GvAV (PL_defgv));	1928	av_clear (GvAV (PL_defgv));
1765	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	1929	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1766	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	1930	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1767		1931

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Comparing Coro/Coro/State.xs (file contents): Revision 1.183 by root, Wed Oct 3 19:19:06 2007 UTC vs. Revision 1.218 by root, Mon Dec 3 00:41:45 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.183 by root, Wed Oct 3 19:19:06 2007 UTC vs.
Revision 1.218 by root, Mon Dec 3 00:41:45 2007 UTC